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Fork of the OpenLibm math library with fx-9860G and fx-CG 50 support.
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Elliot Saba c21453060d Cleanup ARCH handling, reorganize AArch64 and Make.inc. 
* Previously, behavior differed if the same value of `ARCH` was defined
  within `Make.inc` or defined on the command line.  Don't do that.

* Provide saner defaults for `ARCH` and `MARCH`, and more importantly,
  allow for the proper overriding of both.

* Split `AArch64` code further away from the other `arm` code.
2017-01-16 11:44:14 -08:00
aarch64 Cleanup ARCH handling, reorganize AArch64 and Make.inc. 2017-01-16 11:44:14 -08:00
amd64 Fix undefined reference to __fpgetprec on i386 2016-06-23 23:32:31 -04:00
arm Remove unused Symbol.map files. 2015-02-01 19:41:55 +05:30
bsdsrc WIP: Enable build on aarch64 2016-04-08 19:37:13 +02:00
i387 Fix invalid assembly directive caught by clang 2016-08-21 18:45:29 -04:00
include Include missing decls for ARM 2016-07-18 17:05:09 -07:00
ld80 Fix undefined reference to __fpgetprec on i386 2016-06-23 23:32:31 -04:00
ld128 Blanket rename DLLEXPORT->OLM_DLLEXPORT 2016-03-13 21:07:55 -04:00
powerpc Support powerpc 2016-02-23 11:08:14 +00:00
src Cleanup ARCH handling, reorganize AArch64 and Make.inc. 2017-01-16 11:44:14 -08:00
test Cleanup ARCH handling, reorganize AArch64 and Make.inc. 2017-01-16 11:44:14 -08:00
.gitignore add .pc to .gitignore 2014-06-20 10:08:16 -04:00
.mailmap Add mailmap 2012-08-24 20:53:18 +05:30
.travis.yml Try adding a matrix build for clang on linux 2016-07-20 22:44:22 -07:00
LICENSE.md README and LICENSE updates. 2014-12-05 00:44:29 +05:30
Make.inc Cleanup ARCH handling, reorganize AArch64 and Make.inc. 2017-01-16 11:44:14 -08:00
Makefile Cleanup ARCH handling, reorganize AArch64 and Make.inc. 2017-01-16 11:44:14 -08:00
openlibm.pc.in Added pkg-config support 2014-05-19 15:30:10 +01:00
README.md Fix #57 2016-03-03 14:53:33 +05:30

README.md

OpenLibm

Build Status

OpenLibm is an effort to have a high quality, portable, standalone C mathematical library (libm). It can be used standalone in applications and programming language implementations.

The project was born out of a need to have a good libm for the Julia programming langage that worked consistently across compilers and operating systems, and in 32-bit and 64-bit environments.

Platform support

OpenLibm builds on Linux, Mac OS X, Windows, FreeBSD, and OpenBSD. It builds with both GCC and clang. Although largely tested and widely used on x86 architectures, openlibm also supports ARM and powerPC.

Build instructions

  1. Use make to build OpenLibm.
  2. Use make USEGCC=1 to build with GCC. This is the default on Linux and Windows.
  3. Use make USECLANG=1 to build with clang. This is the default on OS X and FreeBSD.
  4. Architectures are auto-detected. Use make ARCH=i386 to force a build for i386. Other supported architectures are i486, i586, and i686. GCC 4.8 is the minimum requirement for correct codegen on older 32-bit architectures.
  5. On OpenBSD, you need to install GNU Make (port name: gmake) and a recent version of gcc (tested: 4.9.2), as the default version provided by OpenBSD is too old (4.2.1). If you use OpenBSD's port system for this (port name: gcc), run make CC=egcc to force Make to use the newer gcc.

Acknowledgements

PowerPC support for openlibm was graciously sponsored by IBM.